<style lang="scss">

</style>
<template>
  <div>
    <el-dialog :title="title" :visible.sync="open" width="400px" append-to-body v-dialogDrag
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      >
      <el-upload v-loading="loading"
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?deptId=' + deptId +'&updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <template v-if="!$yhFunc.isEmpty(deptId)">
          <i class="el-icon-upload"></i>
          <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        </template>
        <template v-else>
          <i class="el-icon-warning-outline text-muted" style="font-size: 48px; margin: 15% auto 5% auto;"></i>
          <div class="el-upload__text">未设置要绑定的学校，不可上传!</div>
        </template>
        
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport" /> 是否更新本班已经存在的学生数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>

      <div slot="footer" class="dialog-footer">
        <el-button v-show="!$yhFunc.isEmpty(deptId)" type="primary" @click="handleSubmit">确 定</el-button>
        <el-button @click="handleClose">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>

  import { getImportUrl, getImportTemplateUrl } from "@/api/school/schoolStudent";
  import { getToken } from "@/utils/auth";
  export default {
      name: "SchoolStudentImport",
      data(){
        return {
          open: true,
          title: "导入学生数据",
          loading: false,
          // 用户导入参数
          upload: {
            // 是否显示弹出层（用户导入）
            // open: false,
            // 弹出层标题（用户导入）
            // title: "导入学生数据",
            // 是否禁用上传
            isUploading: false,
            // 是否更新已经存在的用户数据
            updateSupport: 0,
            // 设置上传的请求头部
            headers: { Authorization: "Bearer " + getToken() },
            // 上传的地址
            url: process.env.VUE_APP_BASE_API + getImportUrl(),
            // 学校学生的部门ID
            deptId: this.deptId
          },
        }
      },
      props:{
        deptId: {
          type: Number | String, default: null,
        },
        deptName: {
          type: String, default: null,
        }
      },
      created(){
        if(this.$yhFunc.isEmpty(this.deptId)){
          return this.$modal.msgError('未设置要绑定的学校!');
        }

        this.title += ' - 【'+this.deptName+'】';
      },
      methods: {
        /** 提交上传文件 */
        handleSubmit(){
          this.$refs.upload.submit();
        },
        handleClose(){
          this.$emit('handleClose');
        },
        /** 下载模板操作 */
        importTemplate() {
          this.download(getImportTemplateUrl(), {
          }, `student_template_${new Date().getTime()}.xlsx`)
        },
        // 文件上传中处理
        handleFileUploadProgress(event, file, fileList) {
          this.upload.isUploading = true;
        },
        // 文件上传成功处理
        handleFileSuccess(response, file, fileList) {
          this.upload.open = false;
          this.upload.isUploading = false;
          this.$refs.upload.clearFiles();
          this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
          this.$emit('handleSubmit');
        },
      }

  }
</script>
